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| author | Huang Ying <ying.huang@intel.com> | 2020-04-06 20:04:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-07 10:43:38 -0700 |
| commit | 9de4f22a60f731943f050f4448bf2933ed3fa70b (patch) | |
| tree | a748811bb7451c957caf32df4cbd67fa28e1013b /mm/compaction.c | |
| parent | 7a9547fd4ebc5df52245e1df8a2e0bb481f20a92 (diff) | |
| download | lwn-9de4f22a60f731943f050f4448bf2933ed3fa70b.tar.gz lwn-9de4f22a60f731943f050f4448bf2933ed3fa70b.zip | |
mm: code cleanup for MADV_FREE
Some comments for MADV_FREE is revised and added to help people understand
the MADV_FREE code, especially the page flag, PG_swapbacked. This makes
page_is_file_cache() isn't consistent with its comments. So the function
is renamed to page_is_file_lru() to make them consistent again. All these
are put in one patch as one logical change.
Suggested-by: David Hildenbrand <david@redhat.com>
Suggested-by: Johannes Weiner <hannes@cmpxchg.org>
Suggested-by: David Rientjes <rientjes@google.com>
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Michal Hocko <mhocko@kernel.org>
Acked-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Rik van Riel <riel@surriel.com>
Link: http://lkml.kernel.org/r/20200317100342.2730705-1-ying.huang@intel.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/compaction.c')
| -rw-r--r-- | mm/compaction.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index df3da2f76fdc..46af63eb8212 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -989,7 +989,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn, /* Successfully isolated */ del_page_from_lru_list(page, lruvec, page_lru(page)); mod_node_page_state(page_pgdat(page), - NR_ISOLATED_ANON + page_is_file_cache(page), + NR_ISOLATED_ANON + page_is_file_lru(page), hpage_nr_pages(page)); isolate_success: |